Home / 80,136,157.05-120,173,594.17-43,725,085.88

Finding the Fourth Proportional to 80,136,157.05, 120,173,594.17 and 43,725,085.88

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Solution

The fourth proportional to 80,136,157.05, 120,173,594.17 and 43,725,085.88 is: 65,570,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,136,157.05 : 120,173,594.17 = 43,725,085.88 : x
  2. Step 2: Convert to fraction form
    80,136,157.05/120,173,594.17 = 43,725,085.88/x
  3. Step 3: Cross multiply
    80,136,157.05x = 120,173,594.17 × 43,725,085.88
  4. Step 4: Simplify right side
    80,136,157.05x = 5,254,600,725,591,518
  5. Step 5: Solve for x
    x = 5,254,600,725,591,518/80,136,157.05
  6. Step 6: Final answer
    x = 65,570,909.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.